Question: who occurrence for discoverer or inventor of CERN?
Paraphrase: Who is a CERN discoverer or inventor?
SPARQL (Wikidata):  select distinct ?sbj where { ?sbj wdt:P61 wd:Q42944 . ?sbj wdt:P31 wd:Q1190554 } 
Answer: Discovery of the Higgs Boson, Opening the tetraquark